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Chris,

Thanks!  This is exactly what we are doing tonight.  And although we have
found a potential fix, we are still scratching our heads as to what caused
this to happen in the first place.  Basically, is there anything that
anyone is aware of that would cause disk performance to significantly
change is such a manner that prior to this weekend, all 22 disk were
between 3 and 9% utilized and after the weekend, 6 disk are utilized at
50-70% while the other 16 remained at the normal level?

Thanks,

Jose del Risco
Corporate Domino Administrator
Oshkosh Truck Corporation

(920) 235.9151  x 2741



                                                                           
             Chris Whisonant                                               
             <Chris.Whisonant@                                             
             comporium.com>                                             To 
             Sent by:                  Lotus Domino on the iSeries / AS400 
             domino400-bounces         <domino400@xxxxxxxxxxxx>            
             +jdelrisco=oshtru                                          cc 
             ck.com@xxxxxxxxxx                                             
             om                                                    Subject 
                                       Re: Domino Utilities and Server     
                                       Performance Issues                  
             01/25/2007 12:58                                              
             PM                                                            
                                                                           
                                                                           
             Please respond to                                             
              Lotus Domino on                                              
               the iSeries /                                               
                   AS400                                                   
             <domino400@midran                                             
                  ge.com>                                                  
                                                                           
                                                                           




Jose,

Well that makes sense! STRASPBAL should help out your performance
significantly!! :)

Chris Whisonant
Senior Mid-Range Systems Administrator
Comporium
803-326-7270
IBM Certified Specialist -- eServer i5 iSeries Domino Technical Solutions
V5R3
IBM eServer Certified Systems Expert - iSeries Technical Solutions V5R2
IBM Certified System Administrator - Lotus Notes and Domino 6/6.5
IBM Certified System Administrator - Lotus Notes and Domino 7
IBM Certified Associate Developer - Lotus Notes and Domino 6/6.5

domino400-bounces+chris.whisonant=comporium.com@xxxxxxxxxxxx wrote on
01/25/2007 01:53:55 PM:

Chris,

I may have stated the information incorrectly. Of the 22 drives, 6
are being utilized at 50-70% while the other 16 are averaging 5%.
These disk store nothing but Domino and the entire box runs nothing
but Domino.
-- Sent from my Blackberry Wireless Device --
Jose L. del Risco
Oshkosh Truck Corporation
Corporate Domino Administrator
(920) 420-5646
Jdelrisco@xxxxxxxxxxxx


----- Original Message -----
From: Chris Whisonant [Chris.Whisonant@xxxxxxxxxxxxx]
Sent: 01/25/2007 01:08 PM
To: Lotus Domino on the iSeries / AS400 <domino400@xxxxxxxxxxxx>
Subject: Re: Domino Utilities and Server Performance Issues



Correct me if I'm wrong, but i5/OS doesn't create data like that. I
would
be REALLY curious to see how this person determined that ALL of the
Domino
data was only on 1/4 of the disks. Are those disks separated in a user
ASP? That could be possible, but you would have had to poing the
/LOTUS/DATA directory to that user ASP...

Chris Whisonant
Senior Mid-Range Systems Administrator
Comporium
803-326-7270
IBM Certified Specialist -- eServer i5 iSeries Domino Technical
Solutions
V5R3
IBM eServer Certified Systems Expert - iSeries Technical Solutions V5R2
IBM Certified System Administrator - Lotus Notes and Domino 6/6.5
IBM Certified System Administrator - Lotus Notes and Domino 7
IBM Certified Associate Developer - Lotus Notes and Domino 6/6.5

domino400-bounces+chris.whisonant=comporium.com@xxxxxxxxxxxx wrote on
01/25/2007 08:24:16 AM:


How much cache is on the controller that controls the drives on the
iSeries
box that hosts Domino?  Domino seems to really perform better with a
hefty
amount of disk controller cache.

Of course that doesn't explain why things were fine, then got bad. I'm

not
sure what was the event that concentrated your Domino specific stuff
on
6
of the 22 drives... i'd have the guy who found that situation keep
digging
further into it!  He should also be able to talk with IBM support for
some
possible reasons why...


             JDelRisco@oshtruc
             k.com
             Sent by: To
             domino400-bounces         domino400@xxxxxxxxxxxx
             +chadb=wheeling-n cc
             isshin.com@midran
             ge.com Subject
                                       Domino Utilities and Server
                                       Performance Issues
             01/24/2007 06:23
             PM


             Please respond to
              Lotus Domino on
               the iSeries /
                   AS400
             <domino400@midran
                  ge.com>







Hello Everyone,

I have been experiencing Lotus Notes performance issues since Monday
morning.  At first we thought the problem to be a run away process (
Router
task on a server was running at 80-90% for about 35min and it wasn't
doing
anything ).  Since then ( Monday at 10:35am ), CPU for the entire LPAR

has
been averaging 30% and peaking at 65%.  Still, as of the time of this
email, we are seeing intermittent performance issues. And by that I
mean,
everything seems to run normally then for some seemingly random
reason,
it
take upwards of 4 minutes just to open an email that does not have an
attachment or switch to a different folder view, etc.  We sniffed the
network and found no network issues occurring during these moments
that
Lotus Notes runs slow.  These moments tend to last about 5-10 minutes
and
all goes back to normal.  The performance problems to not seem to tie
into
any server task or event taking place.

After eliminating CPU we checked Memory.  The iSeries guru at our
organization informed me that there didn't appear to be any memory
issues
but did notice that 6 of our disks ( of 22 ) were being hit hard. When

he
did some further digging he noticed that ALL of the data for all 10
server
instances on our LPAR were all on 6 of the 22 disks that we have. This

was
not the case last week.  It would seem that the performance issues
were
related to disk and he is performing a task to evenly distribute the
data
among the 22 disks by usage.  Now you are all probably wondering, "How

did
all the data end up on just 6 disks when it was spread across 22 last
week?"......  That, my friends, is the $100,000 question.  If anyone
has
any ideas I would love to hear them.  Some background info.

Saturday night we applied PTF's to the LPAR.
We also ran Fixup on 3 of our server, and Updall -r  on 2 of the 3
servers
that Fixup was run on.

That is the extent of the changes that occurred this weekend.  I have
a
directors meeting in the morning at which they will be asking me why
Lotus
Notes is running slow.  I believe I have determined what was the
problem
but not the root cause.  If anyone can send me idea before 9am
tomorrow.
Feel free to ask me any questions, I will provide as much detail as I
can.

Thanks,

Jose del Risco
Corporate Domino Administrator
Oshkosh Truck Corporation

(920) 235.9151  x 2741


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Although this e-mail and any attachments are believed to be free of
any virus or other defect which might affect any computer system, it
is the responsibility of the recipient to check that it is virus-
free and the sender accepts no responsibility or liability for any
loss, injury, damage, cost or expense arising in any way from
receipt or use thereof by the recipient.

The information contained in this electronic mail message is
confidential information and intended only for the use of the
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transmission in error, please  contact the sender immediately,
delete this material from your computer and destroy all related
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To post a message email: Domino400@xxxxxxxxxxxx
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NOTICE: This message contains information which may be confidential. If
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delivering the message to the intended recipient, you are notified that
any distribution, copying or retention of this communication is strictly
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_______________________________________________
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To subscribe, unsubscribe, or change list options,
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Although this e-mail and any attachments are believed to be free of any virus 
or other defect which might affect any computer system, it is the 
responsibility of the recipient to check that it is virus-free and the sender 
accepts no responsibility or liability for any loss, injury, damage, cost or 
expense arising in any way from receipt or use thereof by the recipient.

The information contained in this electronic mail message is confidential 
information and intended only for the use of the individual or entity named 
above, and may be privileged.  If the reader of this message is not the 
intended recipient, you are hereby notified that any dissemination, 
distribution or copying of this communication is strictly prohibited.  If you 
have received this transmission in error, please  contact the sender 
immediately, delete this material from your computer and destroy all related 
paper media.  Please note that the documents transmitted are not intended to be 
binding until a hard copy has been manually signed by all parties.
Thank you.

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